Published on Apr 02, 2024
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Autonomic Computing
Introduction
==> “Autonomic Computing” is a new vision of computing initiated by IBM.
==> This new paradigm shifts the fundamental definition of the technology age from one of computing, to one defined by data.
==> Access to data from multiple, distributed sources, in addition to traditional centralized storage devices will allow users to transparently access information when and where they need it.
==> At the same time, this new view of computing will necessitate changing the industry's focus on processing speed and storage.
Control loops
==> A control loop can be provided by a resource provider, which embeds a loop in the runtime environment for a particular resource.
==> In this case, the control loop is configured through the manageability interface provided for that resource
==> In some cases, the control loop may be hard-wired or hard coded so it is not visible through the manageability interface
==> They regulate themselves and, sometimes, each other.
==> They can proactively manage the system, while hiding the inherent complexity of these activities from end users and IT professionals
Technology Description
==> Figure
Autonomic Manager
==> The monitor part provides the mechanisms that collect, aggregate, filter, manage and report details collected from an element.
==> The analyze part provides the mechanisms to correlate and model complex. These mechanisms allow the autonomic manager to learn about the IT environment and help predict future situations.
==> The plan part provides the mechanisms to structure the action needed to achieve goals and objectives. The planning mechanism uses policy information to guide its work.
==> The execute part provides the mechanisms that control the execution of a plan with considerations for on-the-fly updates
Working
==> Figure
A Grand Challenge
==> The computing paradigm will change from one based on computational power to one driven by data.
==> The way we measure computing performance will change from processor speed to the immediacy of the response.
==> Individual computers will become less important than more granular and dispersed computing attributes.
==> The economics of computing will evolve to better reflect actual usage - what IBM calls e-sourcing
Monitoring Engine
==> Monitoring Engine, now available in IBM Tivoli Monitoring, enables root-cause analysis for IT failures, server-level correlation of multiple IT systems, and automated corrective measures
==> With the complimentary IBM Tivoli Monitoring Resource Model Builder, it has become easier to createAutomated Best Practices for monitoring and delivering autonomic self healing capabilities for IT systems
==> Working with the IBM Tivoli Monitoring family of products, the IBM Tivoli Resource Model Builder allows quickly deliver greater value to to customers with better managed IT systems
Business Workload Manager
==> Business Workload Management for Heterogeneous Environments, which will be soon out in IBM Tivoli Monitoring for Transaction Performance Version 5.2 , uses the ARM standard to determine why bottlenecks happen, using response time measurement, transaction processing segment reporting, and learning of transaction workflow through servers and middleware.
==> The software then adjusts resources to avoid bottlenecks
==> Planned functions include the ability of BWLM to detect changes in its environment and decide which resources to adjust in order to enable a network of systems to meet end-to-end performance goals
Conclusion
==> We must look to scientists studying nonlinear dynamics and complexity for new theories of emergent phenomena and robustness.
==> We must look to psychologists and human factors researchers for new goal-definition and visualization paradigms and for ways to help humans build trust in autonomic systems.
==> We must look to the legal profession, since many of the same issues that arise in the context of e-commerce will be important in autonomic systems that span organizational or national boundaries
==> It’s going to have to be an open source system because there are so m any parts. These parts will provide plenty of opportunity for competition.
References
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